473  
CDUS41 KOKX 100639  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
239 AM EDT TUE SEP 10 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 9 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 224 PM 91 2016 77 -1 84  
MINIMUM 50 505 AM 45 1986 61 -11 76  
AVERAGE 63 69 -6 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1969 0.11 -0.11 0.00  
MONTH TO DATE 0.06 1.01 -0.95 0.00  
SINCE SEP 1 0.06 1.01 -0.95 0.00  
SINCE JAN 1 38.93 31.31 7.62 30.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 5 2 3 0  
SINCE SEP 1 5 2 3 0  
SINCE JUL 1 6 5 1 0  
 
COOLING  
YESTERDAY 0 5 -5 15  
MONTH TO DATE 23 50 -27 109  
SINCE SEP 1 23 50 -27 109  
SINCE JAN 1 944 814 130 887    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1100 PM  
LOWEST 39 1100 AM  
AVERAGE 65  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 1983  
MINIMUM TEMPERATURE (F) 61 39 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2024.....SUNRISE 629 AM EDT SUNSET 709 PM EDT  
SEPTEMBER 11 2024.....SUNRISE 630 AM EDT SUNSET 707 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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